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Process Explorer vs HandleCountersView: catalog facts
Process Explorer	HandleCountersView
Free Free to download and use, published by Microsoft as part of the Sysinternals suite. The…	Free Freeware from NirSoft, free to use and redistribute without charge.
Windows	Windows
Finds which process has a particular file or directory open Process tree shows parent and child relationships, not just a flat list	Separate column for each handle type Shows change since the last counter reset
Windows only Closed source, though published by Microsoft	Full paths of system processes need administrator rights Shows counts, not individual handle details
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.